Nortel Networks BCM200/400 - Manual (Page 246)

246 Chapter 20 Preparing hardware for maintenance or upgrades
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3 Disconnect any connectors from the front of the base function tray.
4 Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
5 Remove the base function tray latch screws and place them in a safe location.
6 Move the base function tray latches to the unlocked position. See Figure 107 .
7 Grasp the base function tray latches and partially remove the base function tray from the main
unit. Do not exert force on the DS30 cables or connectors.
8 Unfasten the bezel screws from the base function tray face. Place the screws in a safe location.
9 Pull and tip the bezel away from the base function tray until the bezel clips are clear of the
base function tray chassis. Move the bezel in a downward direction between the base function
tray latches. Place the bezel in a safe location. See
Figure 109 .
Figure 109 Remove the base function tray bezel
To install the base function tray bezel
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container or work area.
Warning: Use care when removing or inserting the base function tray. Do not forcefully
remove or insert the base function tray because you could damage or stretch the cables.
Unfasten bezel
screws
4
1
Move bezel downward
and between latches
Tip bezel away from
base function tray
2
Bezel
Unhook bezel clips
from base function
tray
3